Earwax is produced by modified sweat glands, and most differences in the rate of earwax production are due to genetics, but skin conditions such as psoriasis and eczema can also play a role.
Earwax naturally drains out of the ear canal, but when earwax builds up, it’s usually not because there’s more wax, but because this drainage mechanism isn’t working.
The ears are effectively self-cleaning. Skin cells slowly move outward from the eardrum and carry earwax until it falls off on its own.
Hairy ears, wearing hearing aids or earphones, and excessive poking with cotton swabs can all contribute to earwax blockage.
This article is the answer to the question (asked by Conor Spencer-Smith of Lancaster): “Why does earwax form?”
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